Charge Radii and Quadrupole Moments of the Low-Lying Baryons in the Chiral Constituent Quark Model

Abstract

The chiral constituent quark model (χCQM) with general parameterization method (GPM) has been formulated to calculate the charge radii of the spin1/2+octet and3/2+decuplet baryons and quadrupole moments of the spin3/2+decuplet baryons and spin3/2+→1/2+transitions. The implications of such a model have been investigated in detail for the effects of symmetry breaking and GPM parameters pertaining to the one-, two-, and three-quark contributions. Our results are not only comparable with the latest experimental studies but also agree with other phenomenological models. It is found that theχCQM is successful in giving a quantitative and qualitative description of the charge radii and quadrupole moments.